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Sam Altman — official portrait

Perimeter People / Co-Founder and CEO, OpenAI

Sam Altman

Sam Altman is co-founder and chief executive officer of OpenAI, the artificial intelligence research and deployment company behind ChatGPT. He previously served as president of Y Combinator from 2014 to 2019. His public essays examine the economics of artificial intelligence, the infrastructure needed to expand its use, and the opportunities and risks of increasingly capable systems. In interviews, he also discusses entrepreneurship, AI governance, and the relationship between technological progress and human agency.

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Profile checked September 18, 2026. Editorial notes are Perimeter’s interpretation.